:Product: Solar Region Summary

:Issued: 2026 May 23 0030 UTC

# Prepared jointly by the U.S. Dept. of Commerce, NOAA,

# Space Weather Prediction Center and the U.S. Air Force.

#

Joint USAF/NOAA Solar Region Summary

SRS Number 143 Issued at 0030Z on 23 May 2026
Report compiled from data received at SWO on 22 May

I.  Regions with Sunspots.  Locations Valid at 22/2400Z 

Nmbr Location  Lo  Area  Z   LL   NN Mag Type

4439 N06W17   242  0010 Cro  02   02 Beta

4441 N08W58   283  0130 Eai  12   15 Beta-Gamma

4443 S16W05   231  0040 Dso  06   06 Beta

4444 S20E53   173  0120 Cso  03   04 Beta

IA. H-alpha Plages without Spots.  Locations Valid at 22/2400Z May

Nmbr  Location  Lo

4440  N17W13   239

4442  S15W28   255

II. Regions Due to Return 23 May to 25 May

Nmbr Lat    Lo

4431 S16    116

4432 N14    099

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